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authorKohei Tokunaga <ktokunaga.mail@gmail.com>2025-04-28 15:38:54 +0900
committerPaolo Bonzini <pbonzini@redhat.com>2025-05-06 16:02:04 +0200
commit84cb7025fa9378993dbd6242ab2c3fa556ed2a2c (patch)
treef43ad1e4772776d8a29b361ff2dcb4d4066945c4
parent44d3ec593b0afd2f8cfaf2ba2149465ee3541695 (diff)
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target/i386/cpu.c: Fix type conflict of GLib function pointers
On Emscripten, function pointer casts can result in runtime failures due to strict function signature checks. This affects the use of g_list_sort and g_slist_sort, which internally perform function pointer casts that are not supported by Emscripten. To avoid these issues, g_list_sort_with_data and g_slist_sort_with_data should be used instead, as they do not rely on function pointer casting. Signed-off-by: Kohei Tokunaga <ktokunaga.mail@gmail.com> Link: https://lore.kernel.org/r/8ee6c2b02c97d5db358c3eb290d00afe71d1ceb7.1745820062.git.ktokunaga.mail@gmail.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--target/i386/cpu.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 6f21d5e..1ca6307 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -6240,7 +6240,7 @@ static void listflags(GList *features)
}
/* Sort alphabetically by type name, respecting X86CPUClass::ordering. */
-static gint x86_cpu_list_compare(gconstpointer a, gconstpointer b)
+static gint x86_cpu_list_compare(gconstpointer a, gconstpointer b, gpointer d)
{
ObjectClass *class_a = (ObjectClass *)a;
ObjectClass *class_b = (ObjectClass *)b;
@@ -6261,7 +6261,7 @@ static gint x86_cpu_list_compare(gconstpointer a, gconstpointer b)
static GSList *get_sorted_cpu_model_list(void)
{
GSList *list = object_class_get_list(TYPE_X86_CPU, false);
- list = g_slist_sort(list, x86_cpu_list_compare);
+ list = g_slist_sort_with_data(list, x86_cpu_list_compare, NULL);
return list;
}
@@ -6318,6 +6318,11 @@ static void x86_cpu_list_entry(gpointer data, gpointer user_data)
qemu_printf(" %-20s %s\n", name, desc);
}
+static gint strcmp_wrap(gconstpointer a, gconstpointer b, gpointer d)
+{
+ return strcmp(a, b);
+}
+
/* list available CPU models and flags */
static void x86_cpu_list(void)
{
@@ -6340,7 +6345,7 @@ static void x86_cpu_list(void)
}
}
- names = g_list_sort(names, (GCompareFunc)strcmp);
+ names = g_list_sort_with_data(names, strcmp_wrap, NULL);
qemu_printf("\nRecognized CPUID flags:\n");
listflags(names);